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author | obscuren <geffobscura@gmail.com> | 2015-03-17 01:42:18 +0800 |
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committer | obscuren <geffobscura@gmail.com> | 2015-03-17 01:42:18 +0800 |
commit | 91b0b14845750c81466880f5f877fe3fcbd03b09 (patch) | |
tree | f765fe3f66891a566e836ea748747ddab31bca85 /common | |
parent | bfcd2cf132c2f1e5c1afe6d71e3d9d9dcee5017b (diff) | |
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converted vm
Diffstat (limited to 'common')
-rw-r--r-- | common/types.go | 45 |
1 files changed, 27 insertions, 18 deletions
diff --git a/common/types.go b/common/types.go index 3dc4500b3..267077f4f 100644 --- a/common/types.go +++ b/common/types.go @@ -1,8 +1,16 @@ package common -import "fmt" +import "math/big" -type Hash [32]byte +const ( + hashLength = 32 + addressLength = 20 +) + +type ( + Hash [hashLength]byte + Address [addressLength]byte +) var ( zeroHash Hash @@ -15,25 +23,19 @@ func BytesToHash(b []byte) Hash { return h } func StringToHash(s string) Hash { return BytesToHash([]byte(s)) } - -func BytesToAddress(b []byte) Address { - var a Address - a.SetBytes(b) - return a -} -func StringToAddress(s string) Address { return BytesToAddress([]byte(s)) } +func BigToHash(b *big.Int) Hash { return BytesToHash(b.Bytes()) } // Don't use the default 'String' method in case we want to overwrite // Get the string representation of the underlying hash -func (h Hash) Str() string { - return string(h[:]) -} +func (h Hash) Str() string { return string(h[:]) } +func (h Hash) Bytes() []byte { return h[:] } +func (h Hash) Big() *big.Int { return Bytes2Big(h[:]) } // Sets the hash to the value of b. If b is larger than len(h) it will panic func (h *Hash) SetBytes(b []byte) { if len(b) > len(h) { - panic(fmt.Sprintf("unable to set bytes. too big = %d", len(b))) + b = b[len(b)-hashLength:] } // reverse loop @@ -52,17 +54,24 @@ func (h *Hash) Set(other Hash) { } } -type Address [20]byte +/////////// Address +func BytesToAddress(b []byte) Address { + var a Address + a.SetBytes(b) + return a +} +func StringToAddress(s string) Address { return BytesToAddress([]byte(s)) } +func BigToAddress(b *big.Int) Address { return BytesToAddress(b.Bytes()) } // Get the string representation of the underlying address -func (a Address) Str() string { - return string(a[:]) -} +func (a Address) Str() string { return string(a[:]) } +func (a Address) Bytes() []byte { return a[:] } +func (a Address) Big() *big.Int { return Bytes2Big(a[:]) } // Sets the address to the value of b. If b is larger than len(a) it will panic func (a *Address) SetBytes(b []byte) { if len(b) > len(a) { - panic(fmt.Sprintf("unable to set bytes. too big = %d", len(b))) + b = b[len(b)-addressLength:] } // reverse loop |